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Caffeine is found in many food and beverage products as well as some pharmaceuticals, and caffeine pollution is directly related to human activity (although many plant species produce caffeine, there are no natural sources of the substance in the

After a detailed review of import records for marine tropical fish entering the United States over a year's span, scientists found 1,802 species imported, or 22 percent greater biodiversity than previously estimated. More than 11 million fish were imported from 40 countries, which was less than previously reported, as many freshwater fish and marine invertebrates were being mistakenly counted as marine fish.

For centuries these openings have provided inhabitants with access to fresh water, and the inaccessibility of the deep caves beneath the openings has long beckoned the adventurous, though physical challenges limited how far they could go.

Federal authorities concede the industry in the territories could lose more than $1 million a year. But creating a healthy reef ecosystem is a priority, Roy Crabtree, southeast regional administrator for the National Oceanic and Atmospheric Administration, said this week.

The U.S. Coast Guard is expected to enforce the annual catch limits with help from local authorities. Both commercial and recreational fishermen are supposed to report their catches, but some fishermen say enforcement will be hard.

The brains behind this machine, four Omer submarine engineers, were on their way from Canada’s École de technologie supérieure in Montreal. Meanwhile, we had been dealt a serious blow by the Ministry of Commercial Shipping’s Port Police Management. At the eleventh hour, they rejected our request for permission to place Omer 6 in the sea.

My wife, Carolina Sarasiti, was glued to her phone as Andreas studied his maritime law books desperately trying to find a solution to our dilemma. It didn’t look good. The weather continued to deteriorate and all flights in and out of Kefalonia were cancelled. The Omer submarine team was stuck in Athens. The bad weather and unexpected red tape had already delayed us by a day.

I took a leisurely walk with my father-in-law and Greek engineer, Vageli Sarasiti, in an attempt to clear my head. We came across a large catamaran getting smashed against jagged rocks and scrambled on board to help. The waves were relentless. We managed to free the boat from the rocks but one of the engines was jammed solid. Vageli and I grabbed a mask, knife and torch and dived into the murky water. It was like being in a washing machine but we eventually managed to cut through the rope that was wrapped around the propeller shaft.
After sailing for 29 days across the Atlantic Ocean, we were also left wondering where the calm, warm, sparkling blue water was of which the Ionian Islands were so famous for. At least my head was clear.

When the Omer team arrived we celebrated in true Greek fashion. The project remained blocked, but their high spirits helped us forget the bad news for a while. Surprisingly, after almost two years of planning the world’s first human-powered submarine expedition we had never met before this day. They were happy that I really existed and the whole thing wasn’t just some strange prank played out by a guy in his basement!

Later in the day, continual bad weather and red tape still prevented us from testing Omer 6 in the sea. We desperately needed to get the sub in the water so I could begin my pilot training. With no time to lose, I found a nearby resort that was willing to help us out. When I returned with the good news, drills were screeching as the engineers assemble the submarine.

The government wants interim targets leading up to 2020, and targets on clean energy in new homes, to be optional. It also points out that the targets on aviation are pointless while there is uncertainty over the use of biofuels.

Meanwhile, green groups are furious at what they believe is part of an on-going campaign to water down renewables legislation.

The UK has already signed up to an EU target to have 20% of Europe's energy from renewable sources by 2020. That target applies to fuel, as well as electricity.

This may seem obvious to most (they had to get to our table somehow), but what may not be apparent is that the relentless pursuit of consumer-friendly fish product is having a massive impact on fish populations around the world.

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